Fixed ap_config_auto.h generation in src/Configure: there for the ``quad

integer'' stuff ``#ifndef+#undef+#endif'' pairs were generated instead of
``#ifdef+#undef+#endif'' pairs.

Submitted by: Greg Siebers <gsiebers@vignette.com>
Reviewed by: Ralf S. Engelschall
PR: 5231


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@84163 13f79535-47bb-0310-9956-ffa450edef68